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Sedbober [7]
3 years ago
14

Please hellppp i will mark brainliest ​

Mathematics
1 answer:
castortr0y [4]3 years ago
8 0
30 degrees it's right
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The average daily volume of a computer stock in 2011 was μ=35.1 million​ shares, according to a reliable source. A stock analyst
alexandr1967 [171]

Answer:

The 95% confidence interval is ( 27.126 , 34.674)

Step-by-step explanation:

Given

The t critical value at 0.05 level = 2.023 for the df = 39

Confidence interval = 95%

Mean  

\bar{x} - t * \frac{s}{\sqrt{n} } < \mu < \bar{x} + t * \frac{s}{\sqrt{n} }

Substituting the given values we get -

\30.9 - 2.023 * \frac{11.8}{\sqrt{40} } < \mu < \30.9 + 2.023 * \frac{11.8}{\sqrt{40} }\\27.126 < \mu < 34.674

Hence, the 95% confidence interval is

( 27.126 , 34.674)

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3 years ago
Simone paid $5.25 for 3 pounds of apples. Which equation represents the cost, in dollars, C, of buying a pounds of apples?
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I believe it is the first once because if a means the amount of apples and $1.75 is the amount paid for 1 apple, this answer would be correct.
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3 years ago
A set of equations is given below:
andriy [413]
2d +1=3d+5 should be it
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4 years ago
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How to get 2 essays and pre-essay questions done in 238 minutes? (3 hours and 58 min) PLEASE HELP
Amanda [17]

Answer:

Definitely start with outlining one essay, then doing all of your steps, although don't do much re-writing since there may not be enough time. only focus on one at a time though. as for the questions, since it says pre-essay it wants that completed first but unless you have to do it first, i would do it last since the essays are more important.

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Help! Find the domain of the graph
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Answer:

[-3,9]

Step-by-step explanation:

you look at the x axis

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